Carbonic acid (2R,3S,5R)-5-[2-oxo-4-(2,2,2-trichloro-1,1-dimethyl-ethoxycarbonylamino)-2H-pyrimidin-1-yl]-2-(2,2,2-trichloro-1,1-dimethyl-ethoxycarbonyloxymethyl)-tetrahydro-furan-3-yl ester 2,2,2-trichloro-1,1-dimethyl-ethyl ester 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 1.58h,
以65%的产率得到[1-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-2-oxo-1,2-dihydro-pyrimidin-4-yl]-carbamic acid 2,2,2-trichloro-1,1-dimethyl-ethyl ester